RTC Echtzeit-Uhrmodul DS3231SN ChronoDot V2.0 I2C für Arduino-Speicher
3,34 €
Use DS3231SN precision clock chip, built 32.768 crystal. The pull-up resistor R1 R2 own welding on the I2C bus. You can output 1Hz signal, a second output signal. Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item.
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